Page 24 - Master Catalog 2017, Inch

WIDIA Inserts
™
Catalog Numbering System

How Do Catalog Numbers Work?
Each character in our catalog number signifi es a specifi c
trait of that product. Use the following key columns and
corresponding images to easily identify which attributes apply.

CNMG432UR

C N M G 4

Insert Shape Insert Clearance Tolerance Insert Size
Angle Class Features

Code for inch
N
cutting edge length
Hexagon Tolerances apply prior “L10”
H A
120° to edge prep and coating R
“D”
inch inch C D R S T V W
F
1.2 (5) 5/32 S4 04 03 03 06 — —
Octagon A 1.5 (6) 3/16 04 05 04 04 08 08 S3
O B
135°
1.8 (7) 7/32 05 06 05 05 09 09 03
M
— .236 — — 06 — — — —
G 2 1/4 06 07 06 06 11 11 04
Pentagon
P C 2.5 5/16 08 09 07 07 13 13 05
108°
W
Rε Rε — .315 — — 08 — — — —
3 3/8 09 11 09 09 16 16 06
T
— .394 — — 10 — — — —
Round
R D
— Q 3.5 7/16 11 13 11 11 19 19 07
— .472 — — 12 — — — —
U
4 1/2 12 15 12 12 22 22 08
4.5 9/16 14 17 14 14 24 24 09
B
Square
S E 5 5/8 16 19 15 15 27 27 10
90°
H — .630 — — 16 — — — —
Rε
5.5 11/16 17 21 17 17 30 30 11
C
Triangular 6 3/4 19 23 19 19 33 33 13
T F
60°
J — .787 — — 20 — — — —
7 7/8 22 27 22 22 38 38 15
C Rhomboid D = Theoretical diameter X Special — .984 — — 25 — — — —
D 80° of the insert inscribed V Design
55° 8 1 25 31 25 25 44 44 17
E G circle
75°
M 86° S = Thickness 10 1-1/4 32 38 31 31 54 54 21
B = See fi gures below
V 35° — 1.260 — — 32 — — — —
Trigon
80°
W N
with enlarged
corner angles tolerance tolerance tolerance tolerance
class on “D” on “B” on “S”
C ±.0010" ±.0005" ±.001"
Rectangular
L P H ±.0005" ±.0005" ±.001"
90°
E ±.0010" ±.0010" ±.001"
G ±.0010" ±.0010" ±.005"
M See tables on next page ±.005"
A Parallelogram Indicated for other
85° U See tables on next page ±.005"
B O clearance angles
82°
N/K 55° requiring descriptions.
B4 widia.com

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